XML 128 R110.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Subsequent Events (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($)
Subsequent Event [Line Items] |
Derivative, Notional Amount | $ 62.0
Derivative, Average Fixed Interest Rate | 2.62%
TCC Note Term | 5 years
Debt funding for TCC acquisition | $ 40.0
Subordinated Borrowing, Basis Spread on Variable Rate | 125

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- Definition Debt funding for TCC acquisition + References No definition available. + Details
Name: | efsc_DebtfundingforTCCacquisition
Namespace Prefix: | efsc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Subordinated Borrowing, Basis Spread on Variable Rate + References No definition available. + Details
Name: | efsc_SubordinatedBorrowingBasisSpreadonVariableRate
Namespace Prefix: | efsc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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- Definition TCC Note Term + References No definition available. + Details
Name: | efsc_TCCNoteTerm
Namespace Prefix: | efsc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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- Definition Average fixed interest rate related to the group of interest rate derivatives. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration